Convertible strap handbag rear portion



FIG. 1 is a top, right side, rear, perspective view of a convertible strap handbag rear portion embodying the claimed design;

FIG. 2 is a top, left side, front, perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a front view of a convertible strap handbag rear portion showing the claimed design with the strap configured for arm-crook carrying the handbag;

FIG. 10 is a front view of a convertible strap handbag rear portion showing the claimed design with the strap configured for shoulder carrying the handbag;

FIG. 11 is a perspective view of a convertible strap handbag rear portion showing the claimed design with the strap configured for hand carrying the handbag;

FIG. 12 is a perspective view of a convertible strap handbag rear portion showing the claimed design with the strap configured for crossbody carrying the handbag; and,

FIG. 13 is a side view of a convertible strap handbag rear portion showing the claimed design with the strap configured for backpack carrying the handbag.

The broken lines are included for illustrating the environment and portions of the handbag that form no part of the claimed design. 

CLAIM The ornamental design for a convertible strap handbag rear portion, as shown and described. 